Doesn’t matter. The meme specifies ‘someone, usually a teacher’ scolding them. If the teacher is teaching math since 2011 (i.e. today) they should recognize and encourage this strategy.
Please improve your reading comprehension before trying to be a smug scold.
Ever think that maybe this person was schooled befor 2011 when common core math was implemented?
Doesn’t matter. The meme specifies ‘someone, usually a teacher’ scolding them. If the teacher is teaching math since 2011 (i.e. today) they should recognize and encourage this strategy.
Please improve your reading comprehension before trying to be a smug scold.